prosody
260601859c9f
plugins/mod_posix.lua

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plugins/mod_posix.lua @ 2456:260601859c9f

mod_posix: Adjust file open mode depending on whether file exists (take that fopen designers!!!)
author Matthew Wild <mwild1@gmail.com>
date Wed, 13 Jan 2010 00:03:22 +0000
parent 2455:0b3184f3c9e4
child 2925:692b3c6c5bd2
comparison
equal deleted inserted replaced
2455:0b3184f3c9e4 2456:260601859c9f
18 end 18 end
19 19
20 local logger_set = require "util.logger".setwriter; 20 local logger_set = require "util.logger".setwriter;
21 21
22 local lfs = require "lfs"; 22 local lfs = require "lfs";
23 local stat = lfs.attributes;
23 24
24 local prosody = _G.prosody; 25 local prosody = _G.prosody;
25 26
26 module.host = "*"; -- we're a global module 27 module.host = "*"; -- we're a global module
27 28
79 if pidfile_handle then 80 if pidfile_handle then
80 remove_pidfile(); 81 remove_pidfile();
81 end 82 end
82 pidfile = module:get_option("pidfile"); 83 pidfile = module:get_option("pidfile");
83 if pidfile then 84 if pidfile then
84 pidfile_handle, err = io.open(pidfile, "a+"); 85 local mode = stat(pidfile) and "r+" or "w+";
86 pidfile_handle, err = io.open(pidfile, mode);
85 if not pidfile_handle then 87 if not pidfile_handle then
86 module:log("error", "Couldn't write pidfile at %s; %s", pidfile, err); 88 module:log("error", "Couldn't write pidfile at %s; %s", pidfile, err);
87 prosody.shutdown("Couldn't write pidfile"); 89 prosody.shutdown("Couldn't write pidfile");
88 else 90 else
89 if not lfs.lock(pidfile_handle, "w") then -- Exclusive lock 91 if not lfs.lock(pidfile_handle, "w") then -- Exclusive lock